Low
40 - 50 - 60 - 70 - 80 on Chaffoteaux Minima MX2 24FF / 30FF

Your boiler has detected very cold temperatures and is running the pump and burner automatically to prevent the internal pipes from freezing.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Antifrost mode on (burner and pump in operation).

From this model's manual
Verified against the Chaffoteaux Minima Mx2 installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check that your electricity and gas supply are turned onEnsure your thermostat is set to a normal temperatureWait for the boiler to finish its warming cycle; the lights should stop flashing once it reaches a safe temperature

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Boiler cover options

Avoid the next call-out bill

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